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<head>
    <meta charset="UTF-8">
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    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <script src="../js/vue.js"></script>
</head>
<body>
    <div id="box">
        <button @click="sub()">提交</button>
    </div>
    <!-- 引入axios库 -->
    <script src="../js/axios.min.js"></script>
    <script>
        var vm = new Vue({
            el:"#box",
            data:{},
            methods:{
               sub(){
                    axios.get("data.json").then(res => {
                        console.log(res);
                    })
               }
            }
        })
    </script>
</body>
</html>